Concerning the differential diagnosis of a pulmonary edema pattern and normal heart size: What are three conditions associated with no improvement in 24 to 72 hours?

Concerning the differential diagnosis of a pulmonary edema pattern and normal heart size: What are three conditions associated with no improvement in 24 to 72 hours?

1. Hypoplastic left heart
2. TAPVR with obstruction
3. Pulmonary lymphangiectasia